security flaw
Published Oct 16, 2004
10.0
HIGHCVSS 2.0
EPSS 9.80%
Description
Buffer overflow in the mysql_real_connect function in MySQL 4.x before 4.0.21, and 3.x before 3.23.49, allows remote DNS servers to cause a denial of service and possibly execute arbitrary code via a DNS response with a large address length (h_length).
Affected products
No data.
No data.
Red Hat Desktop version 3 Extras
n/a
Fixed · RHSA-2004:611
Red Hat Enterprise Linux AS (Advanced Server) version 2.1
n/a
Fixed · RHSA-2004:597
Red Hat Enterprise Linux ES version 2.1
n/a
Fixed · RHSA-2004:597
Red Hat Enterprise Linux WS version 2.1
n/a
Fixed · RHSA-2004:597
Red Hat Linux Advanced Workstation 2.1
n/a
Fixed · RHSA-2004:597
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Desktop version 3 Extras | n/a | Fixed | RHSA-2004:611 |
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | n/a | Fixed | RHSA-2004:597 |
| Red Hat Enterprise Linux ES version 2.1 | n/a | Fixed | RHSA-2004:597 |
| Red Hat Enterprise Linux WS version 2.1 | n/a | Fixed | RHSA-2004:597 |
| Red Hat Linux Advanced Workstation 2.1 | n/a | Fixed | RHSA-2004:597 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 9.80% (0.09801) | 95.41th | v5 (v2026.06.15) |
| Jun 15, 2026 | 9.80% (0.09801) | 94.92th | v5 (v2026.06.15) |
| Jul 8, 2025 | 2.73% (0.02726) | 85.31th | v4 (v2025.03.14) |
| Mar 30, 2025 | 4.12% (0.04124) | 87.55th | v4 (v2025.03.14) |
| Mar 29, 2025 | 5.82% (0.05815) | 83.78th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.12% (0.04124) | 87.86th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.87% (0.00867) | 83.07th | v3 (v2023.03.01) |
| Apr 23, 2024 | 0.87% (0.00867) | 82.15th | v3 (v2023.03.01) |
| Apr 2, 2024 | 0.68% (0.00675) | 79.44th | v3 (v2023.03.01) |
| Sep 23, 2023 | 0.68% (0.00675) | 77.43th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.80% (0.00796) | 78.94th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.23% (0.04229) | 87.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.23% (0.04229) | 86.19th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.23% (0.04229) | 69.94th | v2 (v2022.01.01) |
References (17)
- http://bugs.mysql.com/bug.php?id=4017 x_refsource_MISCExploitVendor Advisory
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000892 vendor-advisoryx_refsource_CONECTIVABroken Link
- http://lists.mysql.com/internals/14726 x_refsource_MISCVendor Advisory
- http://marc.info/?l=bugtraq&m=110140517515735&w=2 mailing-listx_refsource_BUGTRAQMailing ListThird Party Advisory
- http://secunia.com/advisories/12305/ third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://www.ciac.org/ciac/bulletins/p-018.shtml third-party-advisorygovernment-resourcex_refsource_CIACBroken Link
- http://www.debian.org/security/2004/dsa-562 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.gentoo.org/security/en/glsa/glsa-200410-22.xml vendor-advisoryx_refsource_GENTOOThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2004-597.html vendor-advisoryx_refsource_REDHATPatchVendor Advisory
- http://www.redhat.com/support/errata/RHSA-2004-611.html vendor-advisoryx_refsource_REDHATPatchVendor Advisory
- http://www.securityfocus.com/bid/10981 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.trustix.org/errata/2004/0054/ vendor-advisoryx_refsource_TRUSTIXVendor Advisory
- https://access.redhat.com/security/cve/CVE-2004-0836 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1617309 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/17047 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
- https://nvd.nist.gov/vuln/detail/CVE-2004-0836
- https://www.cve.org/CVERecord?id=CVE-2004-0836
Change history (0)
No recorded changes yet.